A) 6
B) 4
C) 3
D) 2
Correct Answer: A
Solution :
From the concept of ionization energy \[12.75={{E}_{0}}-\frac{{{E}_{0}}}{{{n}^{2}}}=-13.6-\frac{(-13.6)}{n_{1}^{2}}\] \[\Rightarrow \] \[n=4\] number of lines \[=\frac{n(n-1)}{2}=6\]You need to login to perform this action.
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